During 1916, i.e., a century ago, a type of viral disease got spread in New York on 26th July. After 24 hours, different polio cases were increased to around 68%. This outbreak results in deaths of approximately 2000-2500 people within New York City. Within the United States, polio resulted in deaths of about 6000 or … Continue reading A type of new vaccine which comprises of RNA and helps in defeating COVID-19